Flood Watch

Locations Affected

Lancaster, CA ∙ Palmdale, CA ∙ Lake Los Angeles, CA ∙ Angeles National Forest, CA ∙ Littlerock, CA ∙ Green Valley, CA ∙ Desert View Highlands, CA ∙ Pearblossom, CA ∙ Antelope Valley, CA ∙ Mount Wilson, CA

Full Alert Message

URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Los Angeles/Oxnard CA 1224 PM PDT Mon Sep 1 2025 ...FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING... * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Northeastern Los Angeles County, including the following areas, Bridge Fire Burn Scar, Antelope Valley, Antelope Valley Foothills, San Gabriel Mountains, and Highway 14 Corridor. * WHEN...From late Tuesday morning through Wednesday evening. * IMPACTS...Flooding from thunderstorms and showers may occur in poor drainage and urban areas. Peak rain rates may reach 0.5 to 1.0 inch per hour. * ADDITIONAL DETAILS... - Increasing moisture and instability combined with slow moving storms will pose an increased risk of flash flooding. Strong outflow winds will be possible with thunderstorms, with locally damaging gusts to 60 mph possible. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

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